Sci-Five | The Hindu Science Quiz: on marine travel
Who constructed the primary ships in historical past? Take this quiz to seek out out
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Which of the next precept/legislation retains a ship afloat?
- Pascal’s Law
- Bernoulli’s Principle
- Archimedes’ Principle
- Boyle’s legislation
The reply to why ships can float comes from the well-known precept of Archimedes which says that the web upward pressure on an object immersed in water is the same as the burden of the water displaced by the thing.
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Who constructed the primary ships in historical past?
- The Egyptians
- The Greeks
- The Phoenicians
- The Chinese
The oldest footage, at the least 6000 years previous, of boats which have ever been discovered are Egyptian.
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3 / 5 |
We all know nautical miles are used to measure distance travelled by way of water. Now, what does a Knot imply when it comes to marine travel?
- Measure of nautical mile in America
- Measure of velocity of vessels
- Measure of size of ships
- Measure of the depth of a ship’s anchor
Knots are used to measure velocity. One knot equals one nautical mile per hour, or roughly 1.15 mile (1.8 km) per hour.
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4 / 5 |
Which of the human species are the primary raft builders?
- Homo erectus
- Homo sapiens
- Homo neanderthalensis
- Homo floresiensis
Homo erectus reached a distant Indonesian Island round 8,00,000 BCE utilizing bamboo rafts
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5 / 5 |
When was the primary submarine craft efficiently examined?
Dutch inventor Cornelis Drebbel is often credited with constructing the primary submarine. Between 1620 and 1624 he efficiently manoeuvred his craft beneath the Thames
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